323 lines
10 KiB
Groff
323 lines
10 KiB
Groff
.\"-
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.\" Copyright (c) 2011-2013 Nathan Whitehorn <nwhitehorn@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 21, 2013
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.Dt BSDINSTALL 8
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.Os
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.Sh NAME
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.Nm bsdinstall
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.Nd system installer
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.Sh SYNOPSIS
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.Nm
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.Op Ar target
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.Op Ar ...
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.Sh DESCRIPTION
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.Nm
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is used for installation of new systems, both for system setup from
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installation media (e.g. CD-ROMs) and for use on live systems to prepare
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VM images and jails.
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.Pp
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Much like
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.Xr make 1 , Nm
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takes a target and possible parameters of the target as arguments. If
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invoked with no arguments, it will invoke the
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.Cm auto
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target, which provides a standard interactive installation, invoking the
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others in sequence. To perform a scripted installation, these subtargets
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can be invoked separately by an installation script.
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.Sh TARGETS
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Most of the following targets are only useful for scripting the installer.
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For interactive use, most users will be interested only in the
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.Cm auto ,
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.Cm jail ,
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and
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.Cm script
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targets.
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.Bl -tag -width ".Cm jail Ar destination"
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.It Cm auto
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Run the standard interactive installation, including disk partitioning.
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.It Cm jail Ar destination
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Sets up a new chroot system at
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.Pa destination ,
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suitable for use with
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.Xr jail 8 .
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Behavior is generally similar to
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.Cm auto ,
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except that disk partitioning and network setup are skipped and a kernel is
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not installed into the new system.
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.It Cm script Ar script
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Runs the installation script at
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.Pa script .
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See
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.Sx SCRIPTING
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for more information on this target.
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.It Cm keymap
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If the current controlling TTY is a
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.Xr syscons 4
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console, asks the user to set the current keymap, and saves the result to the
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new system's
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.Pa rc.conf .
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.It Cm hostname
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Prompts the user for a host name for the new system and saves the result to the
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new system's
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.Pa rc.conf .
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If
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.Ev BSDINSTALL_CONFIGCURRENT
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is set, also sets the host name of the current system.
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.It Cm netconfig
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Interactively configures network interfaces (first invoking
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.Cm wlanconfig
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on wireless interfaces), saving the result to the new system's
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.Pa rc.conf
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and
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.Pa resolv.conf .
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If
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.Ev BSDINSTALL_CONFIGCURRENT
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is set, also configures the network interfaces of the current system to match.
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.It Cm autopart
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Provides the installer's interactive guided disk partitioner for single-disk
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installations. Partitions disks, runs
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.Xr newfs 8 ,
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and writes the new system's
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.Pa fstab .
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.It Cm partedit
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Provides the installer's interactive manual disk partitioner, with support
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for multi disk setups, non-UFS file systems, and manual selection of
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partition schemes. Partitions disks, runs
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.Xr newfs 8 ,
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and writes the new system's
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.Pa fstab .
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.It Cm scriptedpart Ar parameters
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Sets up disks like
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.Cm autopart
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and
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.Cm partedit ,
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but non-interactively according to the disk setup specified in
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.Ar parameters .
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Each disk setup is specified by a three-part argument:
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.Pp
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.Ar disk
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.Op Ar scheme
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.Op Ar {partitions}
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.Pp
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Multiple disk setups are separated by semicolons. The
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.Ar disk
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argument specifies the disk on which to operate (which will be erased),
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while the
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.Ar scheme
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argument specifies the
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.Xr gpart 8
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partition scheme to apply to the disk. If
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.Ar scheme
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is unspecified,
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.Cm scriptedpart
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will apply the default bootable scheme on your platform.
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The
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.Ar partitions
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argument is also optional and specifies how to partition
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.Ar disk .
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It consists of a comma-separated list of partitions to create enclosed in
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curly braces. Each partition declaration takes the form
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.Pp
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.Ar size
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.Ar type
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.Op Ar mount point
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.Pp
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.Ar size
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specifies the partition size to create in bytes (K, M, and G suffixes
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can be appended to specify kilobytes, megabytes, and gigabytes respectively),
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while the
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.Em auto
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keyword causes the partition to take all the remaining space on the disk. The
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.Ar type
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option chooses the
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.Xr gpart 8
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filesystem type (e.g. freebsd-ufs or freebsd-swap).
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The optional
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.Ar mount point
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argument sets where the created partition is to be mounted in the installed
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system. As an example, a typical invocation looks like:
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.Pp
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bsdinstall scriptedpart ada0 { 20G freebsd-ufs /, 4G freebsd-swap, 20G freebsd-ufs /var, auto freebsd-ufs /usr }
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.It Cm mount
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Mounts the file systems previously configured by
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.Cm autopart ,
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.Cm partedit ,
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or
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.Cm scriptedpart
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under
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.Ev BSDINSTALL_CHROOT .
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.It Cm distfetch
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Fetches the distributions in
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.Ev DISTRIBUTIONS
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to
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.Ev BSDINSTALL_DISTDIR
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from
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.Ev BSDINSTALL_DISTSITE .
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.It Cm checksum
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Verifies the checksums of the distributions listed in
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.Ev DISTRIBUTIONS
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against the distribution manifest.
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.It Cm distextract
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Extracts the distributions listed in
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.Ev DISTRIBUTIONS
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into
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.Ev BSDINSTALL_CHROOT .
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.It Cm rootpass
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Interactively invokes
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.Xr passwd 1
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in the new system to set the root user's password.
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.It Cm adduser
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Interactively invokes
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.Xr adduser 8
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in the new system.
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.It Cm time
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Interactively sets the time, date, and time zone of the new system.
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.It Cm services
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Queries the user for the system daemons to begin at system startup,
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writing the result into the new system's
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.Pa rc.conf .
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.It Cm config
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Installs the configuration files destined for the new system (e.g. rc.conf
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fragments generated by
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.Cm netconfig ,
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etc.) onto the new system.
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.El
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.Sh ENVIRONMENT VARIABLES
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The following environment variables control various aspects of the installation
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process. Many are used internally during installation and have reasonable
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default values for most installation scenarios. Others are set by various
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interactive user prompts, and can be usefully overridden when making scripted
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or customized installers.
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.Bl -tag -width ".Ev BSDINSTALL_DISTSITE"
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.It Ev DISTRIBUTIONS
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The set of distributions to install (e.g. "base kernel ports"). Default: none
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.It Ev BSDINSTALL_DISTDIR
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The directory in which the distribution files can be found (or to which they
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should be downloaded). Default:
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.Pa /usr/freebsd-dist
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.It Ev BSDINSTALL_DISTSITE
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URL from which the distribution files should be downloaded if they are not
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already present in the directory defined by
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.Ev BSDINSTALL_DISTDIR .
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This should be a full path to the files, including architecture and release
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names. Most targets (e.g.
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.Cm auto
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and
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.Cm jail )
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that prompt for a
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.Fx
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mirror will skip that step if this variable is already defined in the
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environment. Example:
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.Pa ftp://ftp.freebsd.org/pub/FreeBSD/releases/powerpc/powerpc64/9.1-RELEASE
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.It Ev BSDINSTALL_CHROOT
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The directory into which the distribution files should be unpacked and the
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directory at which the root file system of the new system should be mounted.
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Default:
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.Pa /mnt
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.It Ev BSDINSTALL_LOG
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Path to a log file for the installation. Default:
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.Pa /tmp/bsdinstall_log
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.It Ev BSDINSTALL_TMPETC
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Directory where files destined for the new system's
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.Pa /etc
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will be stored until the
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.Cm config
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target is executed. If this directory does not already exist, it will be
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created. Default:
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.Pa /tmp/bsdinstall_etc
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.El
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.Sh SCRIPTING
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.Nm
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scripts consist of two parts: a
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.Em preamble
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and a
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.Em setup script .
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The preamble sets up the options for the installation (how to partition the
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disk[s], which distributions to install, etc.) and the optional second part is
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a shell script run under
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.Xr chroot 8
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in the newly installed system before
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.Nm
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exits. The two parts are separated by the usual script header (#!), which
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also sets the interpreter for the setup script.
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.Pp
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A typical bsdinstall script looks like this:
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.Bd -literal -offset indent
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PARTITIONS=ada0
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DISTRIBUTIONS="kernel.txz base.txz"
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#!/bin/sh
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echo "ifconfig_em0=DHCP" >> /etc/rc.conf
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echo "sshd_enable=YES" >> /etc/rc.conf
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pkg install puppet
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.Ed
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.Pp
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On
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.Fx
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release media, such a script placed at
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.Pa /etc/installerconfig
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will be run at boot time and the system will be rebooted automatically after
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the installation has completed. This can be used for unattended network
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installation of new systems; see
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.Xr diskless 8
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for details.
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.Ss PREAMBLE
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The preamble consists of installer settings. These control global installation
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parameters (see
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.Sx ENVIRONMENT VARIABLES )
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as well as disk partitioning. The preamble is interpreted as a
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.Xr sh 1
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script run at the very beginning of the install. If more complicated behavior
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than setting these variables is desired, arbitrary commands can be run here
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to extend the installer. In addition to the variables in
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.Sx ENVIRONMENT VARIABLES ,
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in particular
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.Ev DISTRIBUTIONS ,
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the preamble can contain a variable
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.Ev PARTITIONS
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which is passed to the
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.Cm scriptedpart
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target to control disk setup.
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.Ss SETUP SCRIPT
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Following the preamble is an optional shell script, beginning with a #!
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declaration. This script will be run at the end of the installation process
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inside a
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.Xr chroot 8
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environment in the newly installed system and can be used to set up
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configuration files, install packages, etc. Note that newly configured
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system services (e.g. networking) have not been started in the installed
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system at this time and only installation host services are available.
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.Sh HISTORY
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This version of
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.Nm
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first appeared in
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.Fx 9.0 .
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.Sh AUTHORS
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.An -nosplit
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.An Nathan Whitehorn Aq nwhitehorn@FreeBSD.org
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